{"id":"vidhyamitra:city-day:ayodhya:1663-04-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1663-04-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-04-09","date_display":"April 9, 1663 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1663,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328556.770833,"kali_year":4764,"ahargana":1740091.2708,"sun":{"sidereal_longitude":0.8766,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":11.8094,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.9328,"elapsed_within_tithi_degrees":10.9328},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.8094,"elapsed_within_degrees":11.8094},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.686},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1663,"month":4,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328556.770833,"ahargana":1740091.2708,"kali_year":4764,"ayanamsa_lahiri":19.1492,"grahas":{"sun":{"sidereal_longitude":359.963365,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":12.461664999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-3.4568},"mars":{"sidereal_longitude":343.618265,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":344.596965,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":240.33916499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"venus":{"sidereal_longitude":18.773464999999987,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":242.167465,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":141.5906,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":321.5906,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1663,"month":4,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328556.770833,"kali_year":4764,"ahargana":1740091.2708,"sun":{"sidereal_longitude":0.8766,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":11.8094,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":10.9328,"elapsed_within_tithi_degrees":10.9328},"nakshatra":{"number":1,"name":"Aśvinī","pada":4,"moon_longitude":11.8094,"elapsed_within_degrees":11.8094},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":12.686},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.457,"elongation":10.933},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.457,"opposition_distance":169.067}},"eclipse_window_40days":[]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:44","sunsetLocal":"18:22","solarNoonLocal":"12:03","dayLengthHours":12.633057110366606,"dayLengthDisplay":"12 Hours 37 Mins 59 Secs","nightLengthDisplay":"11 Hours 22 Mins 01 Secs","moonriseLocal":"06:26","moonsetLocal":"19:20","rahuKala":{"name":"Rāhu Kāla","start":"07:19","end":"08:54","startHours":7.31394168833328,"endHours":8.893073827129106,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:28","end":"12:03","startHours":10.472205965924932,"endHours":12.051338104720756,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:38","end":"15:13","startHours":13.630470243516584,"endHours":15.209602382312408,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:41","end":"09:06","startHours":8.682522875289662,"endHours":9.103624778968548,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:16","end":"06:36","startHours":6.261186929136063,"endHours":6.598068452079172,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:28","startHours":11.63023620104187,"endHours":12.472440008399643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:54","startHours":4.050401934821907,"endHours":4.89260574217968,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:44","startHours":4.682054790340237,"endHours":5.734809549537454,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:00","startHours":14.15684762311519,"endHours":14.999051430472964,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:10","end":"18:34","startHours":18.16786665990406,"endHours":18.56786665990406,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:22","end":"18:54","startHours":18.36786665990406,"endHours":18.894244039502667,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:07","end":"19:52","startHours":18.11786665990406,"endHours":19.86786665990406,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:28","startHours":23.630236201041868,"endHours":24.472440008399644,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:44","end":"07:19","startHours":5.734809549537454,"endHours":7.31394168833328,"quality":"auspicious"},{"name":"Kāla","start":"07:19","end":"08:54","startHours":7.31394168833328,"endHours":8.893073827129106,"quality":"inauspicious"},{"name":"Śubha","start":"08:54","end":"10:28","startHours":8.893073827129106,"endHours":10.472205965924932,"quality":"auspicious"},{"name":"Roga","start":"10:28","end":"12:03","startHours":10.472205965924932,"endHours":12.051338104720756,"quality":"inauspicious"},{"name":"Udveg","start":"12:03","end":"13:38","startHours":12.051338104720756,"endHours":13.630470243516584,"quality":"inauspicious"},{"name":"Chala","start":"13:38","end":"15:13","startHours":13.630470243516584,"endHours":15.209602382312408,"quality":"neutral"},{"name":"Labha","start":"15:13","end":"16:47","startHours":15.209602382312408,"endHours":16.788734521108232,"quality":"auspicious"},{"name":"Amṛta","start":"16:47","end":"18:22","startHours":16.788734521108232,"endHours":18.36786665990406,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:22","end":"19:47","startHours":18.36786665990406,"endHours":19.788734521108235,"quality":"neutral"},{"name":"Labha","start":"19:47","end":"21:13","startHours":19.788734521108235,"endHours":21.209602382312408,"quality":"auspicious"},{"name":"Amṛta","start":"21:13","end":"22:38","startHours":21.209602382312408,"endHours":22.630470243516584,"quality":"auspicious"},{"name":"Kāla","start":"22:38","end":"00:03","startHours":22.630470243516584,"endHours":24.051338104720756,"quality":"inauspicious"},{"name":"Śubha","start":"00:03","end":"01:28","startHours":24.051338104720756,"endHours":25.472205965924932,"quality":"auspicious"},{"name":"Roga","start":"01:28","end":"02:54","startHours":25.472205965924932,"endHours":26.893073827129108,"quality":"inauspicious"},{"name":"Udveg","start":"02:54","end":"04:19","startHours":26.893073827129108,"endHours":28.31394168833328,"quality":"inauspicious"},{"name":"Chala","start":"04:19","end":"05:44","startHours":28.31394168833328,"endHours":29.734809549537452,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:44","end":"06:44","startHours":5.734809549537454,"endHours":6.734809549537454,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:44","end":"07:44","startHours":6.734809549537454,"endHours":7.734809549537454,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:44","end":"08:44","startHours":7.734809549537454,"endHours":8.734809549537454,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:44","end":"09:44","startHours":8.734809549537454,"endHours":9.734809549537454,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:44","end":"10:44","startHours":9.734809549537454,"endHours":10.734809549537454,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:44","end":"11:44","startHours":10.734809549537454,"endHours":11.734809549537454,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:44","end":"12:44","startHours":11.734809549537454,"endHours":12.734809549537454,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:44","end":"13:44","startHours":12.734809549537454,"endHours":13.734809549537454,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:44","end":"14:44","startHours":13.734809549537454,"endHours":14.734809549537454,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:44","end":"15:44","startHours":14.734809549537454,"endHours":15.734809549537454,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:44","end":"16:44","startHours":15.734809549537454,"endHours":16.734809549537452,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:44","end":"17:44","startHours":16.734809549537452,"endHours":17.734809549537452,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:44","end":"18:44","startHours":17.734809549537452,"endHours":18.734809549537452,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:44","end":"19:44","startHours":18.734809549537452,"endHours":19.734809549537452,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:44","end":"20:44","startHours":19.734809549537452,"endHours":20.734809549537452,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:44","end":"21:44","startHours":20.734809549537452,"endHours":21.734809549537452,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:44","end":"22:44","startHours":21.734809549537452,"endHours":22.734809549537452,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:44","end":"23:44","startHours":22.734809549537452,"endHours":23.734809549537452,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:44","end":"00:44","startHours":23.734809549537452,"endHours":24.734809549537452,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:44","end":"01:44","startHours":24.734809549537452,"endHours":25.734809549537452,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:44","end":"02:44","startHours":25.734809549537452,"endHours":26.734809549537452,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:44","end":"03:44","startHours":26.734809549537452,"endHours":27.734809549537452,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:44","end":"04:44","startHours":27.734809549537452,"endHours":28.734809549537452,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:44","end":"05:44","startHours":28.734809549537452,"endHours":29.734809549537452,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.482744551864536,"eotMinutes":-1.8962862832453116,"ayanamsa":19.1492}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha (Adhika) Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha (Adhika) Śukla Pratipada · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 9, 1663 CE · Ayodhyā · Vidhyamitra","description":"April 9, 1663 CE for Ayodhyā: Śukla Pratipada, sūryodaya 05:44, sūryāsta 18:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1663-04-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1663-04-09","sa":"https://sa.vidhyamitra.com/city/ayodhya/1663-04-09","hi":"https://hi.vidhyamitra.com/city/ayodhya/1663-04-09","x-default":"https://vidhyamitra.com/city/ayodhya/1663-04-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T00:46:13.602Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-06-05T00:46:13.602Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T00:46:13.602Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}